OLD PARTS
Genuine Old Parts for Onan, Cummins & Fleetguard Diesel Engines
Find authentic old parts tailored for Onan, Cummins, and Fleetguard power engines. Our collection of genuine replacement components ensures your diesel equipment operates with maximum efficiency and durability.
Old Parts for Reliable Diesel Engine Maintenance
We offer a comprehensive range of authentic old parts, including core engine components, seals, filters, and more—all crafted to meet strict quality standards. Each part is designed to restore and maintain the optimal performance of your diesel engines.
- Genuine Quality: Certified original parts to guarantee compatibility and longevity.
- Wide Selection: Extensive inventory covering key Onan, Cummins, and Fleetguard models.
- Trusted Performance: Enhance engine reliability with parts engineered for power and endurance.
Why Choose Our Old Parts? We provide expert-vetted, genuine parts that ensure your diesel engines run smoother and last longer, backed by our commitment to quality and customer satisfaction.
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
CUMMINS 4981362 CONTROL STRBRD HANDLE Original OEM part
CUMMINS
$2,378.32$2,172.59Precision engineered for dependable control at your fingertips. Robust design ensures long-lasting operation even in demanding environments. Seamlessly integrates with your Cummins system for...$2,378.32$2,172.59 -
CUMMINS 4981361 KEYPAD CONTROL SIDE MT Original OEM part
CUMMINS
$3,181.59$2,906.39Engineered precision delivering uncompromised control interface performance Robust keypad design enhances operational reliability in demanding environments Genuine OEM Cummins component ensuring...$3,181.59$2,906.39 -
CUMMINS 4981227 ENGINE CRANKSHAFT Original OEM part
CUMMINS
$8,391.43$7,665.57Precision crafted for enduring strength and seamless engine operation Ensures optimal balance and reduces wear for extended engine life Manufactured as an authentic OEM Cummins component...$8,391.43$7,665.57 -
CUMMINS 4981214 HEX FLANGE HEAD CAPSCREW Original OEM part
CUMMINS
$45.65$41.70Precision-engineered to power your Cummins systems with unwavering reliability Robust hex flange head design ensures secure fastening under high vibration and stress conditions Corrosion-resistant...$45.65$41.70 -
CUMMINS 4981134 COMPRESSOR WATER INLET TUBE Original OEM part
CUMMINS
$243.70$222.62Cummins 4981134 - COMPRESSOR WATER INLET TUBE MINS4981134 Upgrade your equipment with the high-quality 4981134 - COMPRESSOR WATER INLET TUBE from Cummins. Ensure peak performance with this genuine...$243.70$222.62 -
CUMMINS 4980882 DRIP SHIELD Original OEM part
CUMMINS
$665.96$608.36Precision engineered to defend critical engine components from moisture and contaminants Durable construction enhances longevity and maintains system integrity under all operating conditions 100%...$665.96$608.36 -
CUMMINS 4980877 HEAT SHIELD Original OEM part
CUMMINS
$390.14$356.39Engineered for excellence and endurance — safeguard your power with confidence. Precision fit heat shield designed to dissipate excessive heat effectively. Durable materials resist thermal...$390.14$356.39 -
CUMMINS 4980560 PLAIN HOSE Original OEM part
CUMMINS
$119.02$108.72Empower your engine with genuine Cummins precision. Durable construction ensures leak-proof, long-lasting operation. Designed for seamless integration into your Cummins power system. Certified OEM...$119.02$108.72 -
CUMMINS 4980341 MOUNTING SPACER Original OEM part
CUMMINS
$675.99$617.52Designed for endurance: engineered to maintain alignment and reduce vibration in your Cummins generator. Precision-crafted fit: guarantees seamless integration ensuring optimal engine support...$675.99$617.52 -
CUMMINS 4980288 EXHAUST TRANSFER CONNECTION Original OEM part
CUMMINS
$8,118.80$7,416.53Engineered for Excellence: Delivering unmatched durability for demanding applications. Precision Fit: Ensures seamless integration with your Cummins power system for optimal exhaust transfer. OEM...$8,118.80$7,416.53 -
CUMMINS 4980101 RETAINING CLAMP Original OEM part
CUMMINS
$631.93$577.27Cummins 4980101 - RETAINING CLAMP MINS4980101 Find the genuine Cummins 4980101 - RETAINING CLAMP at our online store. Designed for durability and precision, this original replacement part ensures a...$631.93$577.27 -
CUMMINS 4978991 WATER TRANSFER CONNECTION Original OEM part
CUMMINS
$2,089.60$1,908.85Engineered for enduring power and flawless integration Precision-crafted to optimize coolant flow and system reliability Durable materials designed to withstand high-temperature engine...$2,089.60$1,908.85 -
CUMMINS 4978840 FUEL PLUMBING BRACKET Original OEM part
CUMMINS
$291.46$266.25Engineered for Precision and Dependability Robust construction ensures secure and efficient fuel line support Corrosion-resistant design improves maintenance intervals and system integrity 100%...$291.46$266.25 -
CUMMINS 4978838 FUEL PLUMBING BRACKET Original OEM part
CUMMINS
$336.27$307.18Engineered Precision for Longevity and Performance Robust design ensuring secure fuel line management Corrosion-resistant material built to withstand demanding operational environments Certified...$336.27$307.18 -
CUMMINS 4978624 THREADED SPACER Original OEM part
CUMMINS
$197.19$180.14Built to exceed rigorous power system standards, this part guarantees dependable operation. Precision-engineered for seamless integration and long service life in Cummins engines. Enhances...$197.19$180.14 -
CUMMINS 4978621 FILTER BRACE Original OEM part
CUMMINS
$1,365.97$1,247.82Engineered Precision for Superior Filtration Support Durable construction designed to withstand demanding engine conditions Genuine OEM component directly from Cummins, ensuring perfect...$1,365.97$1,247.82 -
CUMMINS 4978620 FILTER BRACKET Original OEM part
CUMMINS
$1,804.13$1,648.07Engineered for endurance, crafted for precision – Cummins excellence in every detail. Sturdy, corrosion-resistant construction ensures long-term durability under demanding conditions. Designed...$1,804.13$1,648.07 -
CUMMINS 4978619 MOUNTING SPACER Original OEM part
CUMMINS
$184.43$168.47Precision-crafted for enduring strength and stability Enhances mounting alignment to reduce vibration and wear Genuine OEM Cummins component ensuring exact compatibility CUMMINS 4978619 MOUNTING...$184.43$168.47 -
CUMMINS 4978608 WATER TUBE BRACKET Original OEM part
CUMMINS
$368.10$336.26Cummins 4978608 - WATER TUBE BRACKET MINS4978608 When it comes to finding the 4978608 - WATER TUBE BRACKET, look no further than our store for the highest quality original replacement parts. Our...$368.10$336.26 -
CUMMINS 4978599 WIRING RETAINER BRACKET Original OEM part
CUMMINS
$521.80$476.67Cummins 4978599 - WIRING RETAINER BRACKET MINS4978599 When it comes to finding the authentic 4978599 - WIRING RETAINER BRACKET for your outdoor equipment, look no further than our store. We proudly...$521.80$476.67 -
CUMMINS 4978591 WATER TRANSFER CONNECTION Original OEM part
CUMMINS
$5,971.33$5,454.81Cummins 4978591 - WATER TRANSFER CONNECTION MINS4978591 Find the authentic 4978591 - WATER TRANSFER CONNECTION from Cummins at our store. With the product SKU "MINS4978591," rest assured you are...$5,971.33$5,454.81 -
CUMMINS 4978579 AIR CROSSOVER CONNECTION Original OEM part
CUMMINS
$12,540.72$11,455.94Precision engineered to keep your Cummins engine breathing optimally Durable construction ensures long-lasting performance under harsh conditions Essential component designed for seamless airflow...$12,540.72$11,455.94 -
CUMMINS 4978395 EXHAUST CONNECTION BRACKET Original OEM part
CUMMINS
$490.10$447.71Engineered for Excellence: Trust in precision-fit exhaust connection solutions designed to optimize your engine's performance. Robust Durability: Crafted from premium materials to withstand high...$490.10$447.71 -
CUMMINS 4978386 BREATHER TUBE Original OEM part
CUMMINS
$202.12$184.63Engineered precision for airflow management and engine longevity Durable material construction designed to withstand extreme conditions 100% OEM certified by Cummins for guaranteed compatibility and...$202.12$184.63 -
CUMMINS 4978330 WATER TRANSFER TUBE Original OEM part
CUMMINS
$864.08$789.34Engineered for Excellence, Built to Endure Precision Fit for Seamless Cooling Efficiency Durable Materials That Resist Wear and Heat Guaranteed Genuine OEM by Cummins to ensure unmatched...$864.08$789.34 -
CUMMINS 4978329 ISOLATOR VIBRATION Original OEM part
CUMMINS
$233.22$213.04Cummins 4978329 - ISOLATOR VIBRATION - NO LONGER AVAILABLE MINS4978329 Discover the high-quality 4978329 - ISOLATOR VIBRATION - NO LONGER AVAILABLE by Cummins at our store. Our commitment to...$233.22$213.04 -
CUMMINS 4978327 PRESSURE SENSING TUBE Original OEM part
CUMMINS
$373.82$341.48Precision engineered for flawless performance under demanding conditions Durable construction guarantees long-lasting reliability in critical power systems OEM certification from Cummins ensures...$373.82$341.48 -
CUMMINS 4978325 PRESSURE SENSING TUBE Original OEM part
CUMMINS
$313.85$286.70Engineered Precision Meets Unmatched Durability Accurate Pressure Sensing for Enhanced Engine Health Designed to Maintain Emissions Compliance and Fuel Efficiency 100% Genuine OEM CUMMINS Part for...$313.85$286.70 -
CUMMINS 4978303 WATER TUBE BRACKET Original OEM part
CUMMINS
$101.27$92.51Engineered for precision, built to last—Cummins quality that powers your peace of mind. Durable construction: Crafted to withstand thermal and mechanical stresses for long-term service. Seamless...$101.27$92.51 -
CUMMINS 4978289 BELLOWS Original OEM part
CUMMINS
$10,021.94$9,155.04Engineered for Endurance: Experience the robustness of a component designed to excel under pressure. Precision Fit: Ensures optimal sealing and vibration absorption, protecting your engine system...$10,021.94$9,155.04 -
CUMMINS 4978205 AIR TRANSFER TUBE Original OEM part
CUMMINS
$2,090.19$1,909.39Engineered for Precision, Built to Last Optimizes Airflow for Enhanced Engine Efficiency Durable Construction for Long-Term Reliability 100% Genuine OEM Cummins Component, Guaranteed...$2,090.19$1,909.39 -
CUMMINS 4978197 HUMP HOSE Original OEM part
CUMMINS
$313.23$286.13Engineered for enduring reliability: ensures optimal airflow and temperature resistance under demanding conditions. Precision fit and durability: crafted to meet Cummins' strict specifications for...$313.23$286.13 -
CUMMINS 4978194 AIR TUBE Original OEM part
CUMMINS
$4,490.52$4,102.09Precision engineered for dependable power solutions. Enhances air intake efficiency, promoting optimal engine performance. Constructed with durable materials to withstand rigorous operating...$4,490.52$4,102.09 -
CUMMINS 4976973 CHAIN DRIVE SUPPORT Original OEM part
CUMMINS
$64.42$58.84Cummins 4976973 - CHAIN DRIVE SUPPORT MINS4976973 Discover the Cummins 4976973 - CHAIN DRIVE SUPPORT at the best price in our online store. As a trusted source for original replacement parts, we...$64.42$58.84 -
CUMMINS 4976967 CHAIN DRIVE SUPPORT Original OEM part
CUMMINS
$29.70$27.14Cummins 4976967 - CHAIN DRIVE SUPPORT MINS4976967 Find the original 4976967 - CHAIN DRIVE SUPPORT by Cummins with ease at our store. We provide high-quality replacement parts like this support to...$29.70$27.14 -
CUMMINS 4976963 CHAIN DRIVE SUPPORT Original OEM part
CUMMINS
$60.13$54.93Cummins 4976963 - CHAIN DRIVE SUPPORT MINS4976963 Upgrade your outdoor equipment with the authentic Cummins 4976963 - CHAIN DRIVE SUPPORT. Precision-engineered for durability and performance, this...$60.13$54.93 -
CUMMINS 4975820 WATER TRANSFER CONNECTION Original OEM part
CUMMINS
$2,063.15$1,884.69Engineered for seamless coolant flow management to protect your Cummins power system. Durable construction resists corrosion and withstands rigorous operating conditions. Guaranteed OEM quality...$2,063.15$1,884.69 -
CUMMINS 4975819 WATER TRANSFER CONNECTION Original OEM part
CUMMINS
$2,459.13$2,246.41Precision engineered for enduring power system integrity Robust construction ensures leak-free coolant transfer under demanding conditions Optimizes coolant flow to maintain engine temperature and...$2,459.13$2,246.41 -
CUMMINS 4975811 ELBOW HOSE Original OEM part
CUMMINS
$347.84$317.75Designed for seamless integration and unwavering dependability Durable construction resists wear and heat, extending engine life Precision-engineered to meet Cummins’ strict quality...$347.84$317.75 -
CUMMINS 4975804 DAMPER GUARD Original OEM part
CUMMINS
$4,503.64$4,114.07Precision engineered to safeguard your engine’s heartbeat and sustain power integrity. Robust construction ensures exceptional resistance to wear and environment-induced damage. Designed to...$4,503.64$4,114.07